PyPI/starlette CVE-2026-48710: medium 6.5, exploited, EPSS 70.29%
Starlette has missing Host header validation that poisons request.url.path, bypassing path-based security checks
Action: Upgrade starlette to 1.0.1 or later.
pip install starlette==1.0.1Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1.0.1 | - |
Fixed versions
| 1.0.1 |
Sources
- osv: GHSA-86qp-5c8j-p5mr
- kev: CVE-2026-48710
- https://github.com/Kludex/starlette/security/advisories/GHSA-86qp-5c8j-p5mr
- https://nvd.nist.gov/vuln/detail/CVE-2026-48710
- https://github.com/Kludex/starlette/commit/764dab0dcfb9033d75442d7a359645c9f94648c6
- https://www.x41-dsec.de/lab/advisories/x41-2026-002-starlette
- https://www.secwest.net/starlette
- https://www.cve.org/CVERecord?id=CVE-2026-48710
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-48710.json
- https://ostif.org/disclosing-the-badhost-vulnerability-in-starlette
- https://github.com/pypa/advisory-database/tree/main/vulns/starlette/PYSEC-2026-161.yaml
- https://github.com/Kludex/starlette
- https://bugzilla.redhat.com/show_bug.cgi?id=2481742
- https://badhost.org
- https://access.redhat.com/security/cve/CVE-2026-48710
- https://access.redhat.com/errata/RHSA-2026:60520
- https://access.redhat.com/errata/RHSA-2026:51357
- https://access.redhat.com/errata/RHSA-2026:44696
- https://access.redhat.com/errata/RHSA-2026:43038
- https://access.redhat.com/errata/RHSA-2026:37275
- https://access.redhat.com/errata/RHSA-2026:34532
- https://access.redhat.com/errata/RHSA-2026:34526
- https://access.redhat.com/errata/RHSA-2026:34456
- https://access.redhat.com/errata/RHSA-2026:30089
- https://access.redhat.com/errata/RHSA-2026:30088
- https://access.redhat.com/errata/RHSA-2026:26226
- https://access.redhat.com/errata/RHSA-2026:24866
- https://access.redhat.com/errata/RHSA-2026:23346
- https://access.redhat.com/errata/RHSA-2026:22993
- https://access.redhat.com/errata/RHSA-2026:22992
CVE-2026-48710 · published · modified · JSON